Product manual

Model HC2S3 Temperature and Relative Humidity Probe

2: Volt (Diff) (P2)

1: 1 Reps

2: 25 2500 mV 60 Hz Rejection Range

3: 2 DIFF Channel

4: 4 Loc [ RH ]

5: 0.1 Multiplier

6: 0 Offset

3: If (X<=>F) (P89)

1: 4 X Loc [ RH ]

2: 3 >=

3: 100 F

4: 30 Then Do

4: If (X<=>F) (P89)

1: 4 X Loc [ RH ]

2: 4 <

3: 103 F

4: 30 Then Do

5: Z=F x 10^n (P30)

1: 100 F

2: 0 n, Exponent of 10

3: 4 Z Loc [ RH ]

6: End (P95)

7: End (P95)

8: If time is (P92)

1: 0 Minutes (Seconds --) into a

2: 60 Interval (same units as above)

3: 10 Set Output Flag High (Flag 0)

9: Set Active Storage Area (P80)

1: 1 Final Storage Area 1

2: 101 Array ID

10: Real Time (P77)

1: 1220 Year,Day,Hour/Minute (midnight = 2400)

11: Average (P71)

1: 1 Reps

2: 3 Loc [ AirTC ]

12: Sample (P70)

1: 1 Reps

2: 4 Loc [ RH ]

7.5 Measuring Probes with Long Cables

For cable lengths longer than 6.1 m (20 ft), Campbell Scientific recommends

measuring the voltage signals using differential inputs as discussed below.

Connections for differential inputs are given in TABLE 7-2.